Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1046 insertions, 0 deletions

diff --git a/sound/soc/tegra/tegra186_asrc.c b/sound/soc/tegra/tegra186_asrc.c
new file mode 100644
index 000000000..9f12faaa6
--- /dev/null
+++ b/sound/soc/tegra/tegra186_asrc.c
@@ -0,0 +1,1046 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// tegra186_asrc.c - Tegra186 ASRC driver
+//
+// Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "tegra186_asrc.h"
+#include "tegra_cif.h"
+
+#define ASRC_STREAM_SOURCE_SELECT(id)					       \
+	(TEGRA186_ASRC_CFG + ((id) * TEGRA186_ASRC_STREAM_STRIDE))
+
+#define ASRC_STREAM_REG(reg, id) ((reg) + ((id) * TEGRA186_ASRC_STREAM_STRIDE))
+
+#define ASRC_STREAM_REG_DEFAULTS(id)					       \
+	{ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, id),			       \
+	  (((id) + 1) << 4) },						       \
+	{ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, id),		       \
+	  0x1 },							       \
+	{ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, id),		       \
+	  0x0 },							       \
+	{ ASRC_STREAM_REG(TEGRA186_ASRC_MUTE_UNMUTE_DURATION, id),	       \
+	  0x400 },							       \
+	{ ASRC_STREAM_REG(TEGRA186_ASRC_RX_CIF_CTRL, id),		       \
+	  0x7500 },							       \
+	{ ASRC_STREAM_REG(TEGRA186_ASRC_TX_CIF_CTRL, id),		       \
+	  0x7500 }
+
+static const struct reg_default tegra186_asrc_reg_defaults[] = {
+	ASRC_STREAM_REG_DEFAULTS(0),
+	ASRC_STREAM_REG_DEFAULTS(1),
+	ASRC_STREAM_REG_DEFAULTS(2),
+	ASRC_STREAM_REG_DEFAULTS(3),
+	ASRC_STREAM_REG_DEFAULTS(4),
+	ASRC_STREAM_REG_DEFAULTS(5),
+
+	{ TEGRA186_ASRC_GLOBAL_ENB, 0},
+	{ TEGRA186_ASRC_GLOBAL_SOFT_RESET, 0},
+	{ TEGRA186_ASRC_GLOBAL_CG, 0x1 },
+	{ TEGRA186_ASRC_GLOBAL_CFG, 0x0 },
+	{ TEGRA186_ASRC_GLOBAL_SCRATCH_ADDR, 0},
+	{ TEGRA186_ASRC_GLOBAL_SCRATCH_CFG, 0x0c207980 },
+	{ TEGRA186_ASRC_RATIO_UPD_RX_CIF_CTRL, 0x00115500 },
+	{ TEGRA186_ASRC_GLOBAL_INT_MASK, 0x0},
+	{ TEGRA186_ASRC_GLOBAL_INT_SET, 0x0},
+	{ TEGRA186_ASRC_GLOBAL_INT_CLEAR, 0x0},
+	{ TEGRA186_ASRC_GLOBAL_APR_CTRL, 0x0},
+	{ TEGRA186_ASRC_GLOBAL_APR_CTRL_ACCESS_CTRL, 0x0},
+	{ TEGRA186_ASRC_GLOBAL_DISARM_APR, 0x0},
+	{ TEGRA186_ASRC_GLOBAL_DISARM_APR_ACCESS_CTRL, 0x0},
+	{ TEGRA186_ASRC_GLOBAL_RATIO_WR_ACCESS, 0x0},
+	{ TEGRA186_ASRC_GLOBAL_RATIO_WR_ACCESS_CTRL, 0x0},
+	{ TEGRA186_ASRC_CYA, 0x0},
+};
+
+static void tegra186_asrc_lock_stream(struct tegra186_asrc *asrc,
+				      unsigned int id)
+{
+	regmap_write(asrc->regmap,
+		     ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_LOCK_STATUS,
+				     id),
+		     1);
+}
+
+static int __maybe_unused tegra186_asrc_runtime_suspend(struct device *dev)
+{
+	struct tegra186_asrc *asrc = dev_get_drvdata(dev);
+
+	regcache_cache_only(asrc->regmap, true);
+	regcache_mark_dirty(asrc->regmap);
+
+	return 0;
+}
+
+static int __maybe_unused tegra186_asrc_runtime_resume(struct device *dev)
+{
+	struct tegra186_asrc *asrc = dev_get_drvdata(dev);
+	int id;
+
+	regcache_cache_only(asrc->regmap, false);
+
+	/*
+	 * Below sequence is recommended after a runtime PM cycle.
+	 * This otherwise leads to transfer failures. The cache
+	 * sync is done after this to restore other settings.
+	 */
+	regmap_write(asrc->regmap, TEGRA186_ASRC_GLOBAL_SCRATCH_ADDR,
+		     TEGRA186_ASRC_ARAM_START_ADDR);
+	regmap_write(asrc->regmap, TEGRA186_ASRC_GLOBAL_ENB,
+		     TEGRA186_ASRC_GLOBAL_EN);
+
+	regcache_sync(asrc->regmap);
+
+	for (id = 0; id < TEGRA186_ASRC_STREAM_MAX; id++) {
+		if (asrc->lane[id].ratio_source !=
+		    TEGRA186_ASRC_RATIO_SOURCE_SW)
+			continue;
+
+		regmap_write(asrc->regmap,
+			ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART,
+					id),
+			asrc->lane[id].int_part);
+
+		regmap_write(asrc->regmap,
+			ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART,
+					id),
+			asrc->lane[id].frac_part);
+
+		tegra186_asrc_lock_stream(asrc, id);
+	}
+
+	return 0;
+}
+
+static int tegra186_asrc_set_audio_cif(struct tegra186_asrc *asrc,
+				       struct snd_pcm_hw_params *params,
+				       unsigned int reg)
+{
+	int channels, audio_bits;
+	struct tegra_cif_conf cif_conf;
+
+	memset(&cif_conf, 0, sizeof(struct tegra_cif_conf));
+
+	channels = params_channels(params);
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		audio_bits = TEGRA_ACIF_BITS_16;
+		break;
+	case SNDRV_PCM_FORMAT_S24_LE:
+	case SNDRV_PCM_FORMAT_S32_LE:
+		audio_bits = TEGRA_ACIF_BITS_32;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	cif_conf.audio_ch = channels;
+	cif_conf.client_ch = channels;
+	cif_conf.audio_bits = audio_bits;
+	cif_conf.client_bits = TEGRA_ACIF_BITS_24;
+
+	tegra_set_cif(asrc->regmap, reg, &cif_conf);
+
+	return 0;
+}
+
+static int tegra186_asrc_in_hw_params(struct snd_pcm_substream *substream,
+				      struct snd_pcm_hw_params *params,
+				      struct snd_soc_dai *dai)
+{
+	struct device *dev = dai->dev;
+	struct tegra186_asrc *asrc = snd_soc_dai_get_drvdata(dai);
+	int ret, id = dai->id;
+
+	/* Set input threshold */
+	regmap_write(asrc->regmap,
+		     ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, dai->id),
+		     asrc->lane[id].input_thresh);
+
+	ret = tegra186_asrc_set_audio_cif(asrc, params,
+		ASRC_STREAM_REG(TEGRA186_ASRC_RX_CIF_CTRL, dai->id));
+	if (ret) {
+		dev_err(dev, "Can't set ASRC RX%d CIF: %d\n", dai->id, ret);
+		return ret;
+	}
+
+	return ret;
+}
+
+static int tegra186_asrc_out_hw_params(struct snd_pcm_substream *substream,
+				       struct snd_pcm_hw_params *params,
+				       struct snd_soc_dai *dai)
+{
+	struct device *dev = dai->dev;
+	struct tegra186_asrc *asrc = snd_soc_dai_get_drvdata(dai);
+	int ret, id = dai->id - 7;
+
+	 /* Set output threshold */
+	regmap_write(asrc->regmap,
+		     ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, id),
+		     asrc->lane[id].output_thresh);
+
+	ret = tegra186_asrc_set_audio_cif(asrc, params,
+		ASRC_STREAM_REG(TEGRA186_ASRC_TX_CIF_CTRL, id));
+	if (ret) {
+		dev_err(dev, "Can't set ASRC TX%d CIF: %d\n", id, ret);
+		return ret;
+	}
+
+	/* Set ENABLE_HW_RATIO_COMP */
+	if (asrc->lane[id].hwcomp_disable) {
+		regmap_update_bits(asrc->regmap,
+			ASRC_STREAM_REG(TEGRA186_ASRC_CFG, id),
+			TEGRA186_ASRC_STREAM_ENABLE_HW_RATIO_COMP_MASK,
+			TEGRA186_ASRC_STREAM_ENABLE_HW_RATIO_COMP_DISABLE);
+	} else {
+		regmap_update_bits(asrc->regmap,
+			ASRC_STREAM_REG(TEGRA186_ASRC_CFG, id),
+			TEGRA186_ASRC_STREAM_ENABLE_HW_RATIO_COMP_MASK,
+			TEGRA186_ASRC_STREAM_ENABLE_HW_RATIO_COMP_ENABLE);
+
+		regmap_write(asrc->regmap,
+			ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_COMP, id),
+			TEGRA186_ASRC_STREAM_DEFAULT_HW_COMP_BIAS_VALUE);
+	}
+
+	/* Set lock */
+	regmap_update_bits(asrc->regmap,
+			   ASRC_STREAM_REG(TEGRA186_ASRC_CFG, id),
+			   1, asrc->lane[id].ratio_source);
+
+	if (asrc->lane[id].ratio_source == TEGRA186_ASRC_RATIO_SOURCE_SW) {
+		regmap_write(asrc->regmap,
+			ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, id),
+			asrc->lane[id].int_part);
+		regmap_write(asrc->regmap,
+			ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, id),
+			asrc->lane[id].frac_part);
+		tegra186_asrc_lock_stream(asrc, id);
+	}
+
+	return ret;
+}
+
+static int tegra186_asrc_get_ratio_source(struct snd_kcontrol *kcontrol,
+					  struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_enum *asrc_private =
+		(struct soc_enum  *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+	ucontrol->value.enumerated.item[0] = asrc->lane[id].ratio_source;
+
+	return 0;
+}
+
+static int tegra186_asrc_put_ratio_source(struct snd_kcontrol *kcontrol,
+					  struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_enum *asrc_private =
+		(struct soc_enum  *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+	bool change = false;
+
+	asrc->lane[id].ratio_source = ucontrol->value.enumerated.item[0];
+
+	regmap_update_bits_check(asrc->regmap, asrc_private->reg,
+				 TEGRA186_ASRC_STREAM_RATIO_TYPE_MASK,
+				 asrc->lane[id].ratio_source,
+				 &change);
+
+	return change ? 1 : 0;
+}
+
+static int tegra186_asrc_get_ratio_int(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mixer_control *asrc_private =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+	regmap_read(asrc->regmap,
+		    ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, id),
+		    &asrc->lane[id].int_part);
+
+	ucontrol->value.integer.value[0] = asrc->lane[id].int_part;
+
+	return 0;
+}
+
+static int tegra186_asrc_put_ratio_int(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mixer_control *asrc_private =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+	bool change = false;
+
+	if (asrc->lane[id].ratio_source == TEGRA186_ASRC_RATIO_SOURCE_ARAD) {
+		dev_err(cmpnt->dev,
+			"Lane %d ratio source is ARAD, invalid SW update\n",
+			id);
+		return -EINVAL;
+	}
+
+	asrc->lane[id].int_part = ucontrol->value.integer.value[0];
+
+	regmap_update_bits_check(asrc->regmap,
+				 ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART,
+						 id),
+				 TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK,
+				 asrc->lane[id].int_part, &change);
+
+	tegra186_asrc_lock_stream(asrc, id);
+
+	return change ? 1 : 0;
+}
+
+static int tegra186_asrc_get_ratio_frac(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mreg_control *asrc_private =
+		(struct soc_mreg_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->regbase / TEGRA186_ASRC_STREAM_STRIDE;
+
+	regmap_read(asrc->regmap,
+		    ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, id),
+		    &asrc->lane[id].frac_part);
+
+	ucontrol->value.integer.value[0] = asrc->lane[id].frac_part;
+
+	return 0;
+}
+
+static int tegra186_asrc_put_ratio_frac(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mreg_control *asrc_private =
+		(struct soc_mreg_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->regbase / TEGRA186_ASRC_STREAM_STRIDE;
+	bool change = false;
+
+	if (asrc->lane[id].ratio_source == TEGRA186_ASRC_RATIO_SOURCE_ARAD) {
+		dev_err(cmpnt->dev,
+			"Lane %d ratio source is ARAD, invalid SW update\n",
+			id);
+		return -EINVAL;
+	}
+
+	asrc->lane[id].frac_part = ucontrol->value.integer.value[0];
+
+	regmap_update_bits_check(asrc->regmap,
+				 ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART,
+						 id),
+				 TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+				 asrc->lane[id].frac_part, &change);
+
+	tegra186_asrc_lock_stream(asrc, id);
+
+	return change ? 1 : 0;
+}
+
+static int tegra186_asrc_get_hwcomp_disable(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mixer_control *asrc_private =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+	ucontrol->value.integer.value[0] = asrc->lane[id].hwcomp_disable;
+
+	return 0;
+}
+
+static int tegra186_asrc_put_hwcomp_disable(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mixer_control *asrc_private =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+	int value = ucontrol->value.integer.value[0];
+
+	if (value == asrc->lane[id].hwcomp_disable)
+		return 0;
+
+	asrc->lane[id].hwcomp_disable = value;
+
+	return 1;
+}
+
+static int tegra186_asrc_get_input_threshold(struct snd_kcontrol *kcontrol,
+					     struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mixer_control *asrc_private =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+	ucontrol->value.integer.value[0] = (asrc->lane[id].input_thresh & 0x3);
+
+	return 0;
+}
+
+static int tegra186_asrc_put_input_threshold(struct snd_kcontrol *kcontrol,
+					     struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mixer_control *asrc_private =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+	int value = (asrc->lane[id].input_thresh & ~(0x3)) |
+		    ucontrol->value.integer.value[0];
+
+	if (value == asrc->lane[id].input_thresh)
+		return 0;
+
+	asrc->lane[id].input_thresh = value;
+
+	return 1;
+}
+
+static int tegra186_asrc_get_output_threshold(struct snd_kcontrol *kcontrol,
+					      struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mixer_control *asrc_private =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+	ucontrol->value.integer.value[0] = (asrc->lane[id].output_thresh & 0x3);
+
+	return 0;
+}
+
+static int tegra186_asrc_put_output_threshold(struct snd_kcontrol *kcontrol,
+					      struct snd_ctl_elem_value *ucontrol)
+{
+	struct soc_mixer_control *asrc_private =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+	int value = (asrc->lane[id].output_thresh & ~(0x3)) |
+		    ucontrol->value.integer.value[0];
+
+	if (value == asrc->lane[id].output_thresh)
+		return 0;
+
+	asrc->lane[id].output_thresh = value;
+
+	return 1;
+}
+
+static int tegra186_asrc_widget_event(struct snd_soc_dapm_widget *w,
+					struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+	struct tegra186_asrc *asrc = dev_get_drvdata(cmpnt->dev);
+	unsigned int id =
+		(w->reg - TEGRA186_ASRC_ENABLE) / TEGRA186_ASRC_STREAM_STRIDE;
+
+	regmap_write(asrc->regmap,
+		     ASRC_STREAM_REG(TEGRA186_ASRC_SOFT_RESET, id),
+		     0x1);
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops tegra186_asrc_in_dai_ops = {
+	.hw_params	= tegra186_asrc_in_hw_params,
+};
+
+static const struct snd_soc_dai_ops tegra186_asrc_out_dai_ops = {
+	.hw_params	= tegra186_asrc_out_hw_params,
+};
+
+#define IN_DAI(id)						\
+	{							\
+		.name = "ASRC-RX-CIF"#id,			\
+		.playback = {					\
+			.stream_name = "RX" #id "-CIF-Playback",\
+			.channels_min = 1,			\
+			.channels_max = 12,			\
+			.rates = SNDRV_PCM_RATE_8000_192000,	\
+			.formats = SNDRV_PCM_FMTBIT_S8 |	\
+				SNDRV_PCM_FMTBIT_S16_LE |	\
+				SNDRV_PCM_FMTBIT_S24_LE |	\
+				SNDRV_PCM_FMTBIT_S32_LE,	\
+		},						\
+		.capture = {					\
+			.stream_name = "RX" #id "-CIF-Capture", \
+			.channels_min = 1,			\
+			.channels_max = 12,			\
+			.rates = SNDRV_PCM_RATE_8000_192000,	\
+			.formats = SNDRV_PCM_FMTBIT_S8 |	\
+				SNDRV_PCM_FMTBIT_S16_LE |	\
+				SNDRV_PCM_FMTBIT_S24_LE |	\
+				SNDRV_PCM_FMTBIT_S32_LE,	\
+		},						\
+		.ops = &tegra186_asrc_in_dai_ops,		\
+	}
+
+#define OUT_DAI(id)						\
+	{							\
+		.name = "ASRC-TX-CIF"#id,			\
+		.playback = {					\
+			.stream_name = "TX" #id "-CIF-Playback",\
+			.channels_min = 1,			\
+			.channels_max = 12,			\
+			.rates = SNDRV_PCM_RATE_8000_192000,	\
+			.formats = SNDRV_PCM_FMTBIT_S8 |	\
+				SNDRV_PCM_FMTBIT_S16_LE |	\
+				SNDRV_PCM_FMTBIT_S24_LE |	\
+				SNDRV_PCM_FMTBIT_S32_LE,	\
+		},						\
+		.capture = {					\
+			.stream_name = "TX" #id "-CIF-Capture",	\
+			.channels_min = 1,			\
+			.channels_max = 12,			\
+			.rates = SNDRV_PCM_RATE_8000_192000,	\
+			.formats = SNDRV_PCM_FMTBIT_S8 |	\
+				SNDRV_PCM_FMTBIT_S16_LE |	\
+				SNDRV_PCM_FMTBIT_S24_LE |	\
+				SNDRV_PCM_FMTBIT_S32_LE,	\
+		},						\
+		.ops = &tegra186_asrc_out_dai_ops,		\
+	}
+
+static struct snd_soc_dai_driver tegra186_asrc_dais[] = {
+	/* ASRC Input */
+	IN_DAI(1),
+	IN_DAI(2),
+	IN_DAI(3),
+	IN_DAI(4),
+	IN_DAI(5),
+	IN_DAI(6),
+	IN_DAI(7),
+	/* ASRC Output */
+	OUT_DAI(1),
+	OUT_DAI(2),
+	OUT_DAI(3),
+	OUT_DAI(4),
+	OUT_DAI(5),
+	OUT_DAI(6),
+};
+
+static const struct snd_soc_dapm_widget tegra186_asrc_widgets[] = {
+	SND_SOC_DAPM_AIF_IN("RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX4", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX5", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX6", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX7", NULL, 0, SND_SOC_NOPM, 0, 0),
+
+	SND_SOC_DAPM_AIF_OUT_E("TX1", NULL, 0,
+			       ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 0),
+			       TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+			       tegra186_asrc_widget_event,
+			       SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_AIF_OUT_E("TX2", NULL, 0,
+			       ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 1),
+			       TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+			       tegra186_asrc_widget_event,
+			       SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_AIF_OUT_E("TX3", NULL, 0,
+			       ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 2),
+			       TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+			       tegra186_asrc_widget_event,
+			       SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_AIF_OUT_E("TX4", NULL, 0,
+			       ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 3),
+			       TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+			       tegra186_asrc_widget_event,
+			       SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_AIF_OUT_E("TX5", NULL, 0,
+			       ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 4),
+			       TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+			       tegra186_asrc_widget_event,
+			       SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_AIF_OUT_E("TX6", NULL, 0,
+			       ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 5),
+			       TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+			       tegra186_asrc_widget_event,
+			       SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_SPK("Depacketizer", NULL),
+};
+
+#define ASRC_STREAM_ROUTE(id, sname)					   \
+	{ "RX" #id " XBAR-" sname,      NULL,   "RX" #id " XBAR-TX" },	   \
+	{ "RX" #id "-CIF-" sname,       NULL,   "RX" #id " XBAR-" sname }, \
+	{ "RX" #id,                     NULL,   "RX" #id "-CIF-" sname },  \
+	{ "TX" #id,			NULL,   "RX" #id },		   \
+	{ "TX" #id "-CIF-" sname,       NULL,   "TX" #id },		   \
+	{ "TX" #id " XBAR-" sname,      NULL,   "TX" #id "-CIF-" sname },  \
+	{ "TX" #id " XBAR-RX",          NULL,   "TX" #id " XBAR-" sname },
+
+#define ASRC_ROUTE(id)							   \
+	ASRC_STREAM_ROUTE(id, "Playback")				   \
+	ASRC_STREAM_ROUTE(id, "Capture")
+
+#define ASRC_RATIO_ROUTE(sname)						   \
+	{ "RX7 XBAR-" sname,		NULL,	"RX7 XBAR-TX" },	   \
+	{ "RX7-CIF-" sname,		NULL,	"RX7 XBAR-" sname },	   \
+	{ "RX7",			NULL,	"RX7-CIF-" sname },	   \
+	{ "Depacketizer",		NULL,	"RX7" },
+
+static const struct snd_soc_dapm_route tegra186_asrc_routes[] = {
+	ASRC_ROUTE(1)
+	ASRC_ROUTE(2)
+	ASRC_ROUTE(3)
+	ASRC_ROUTE(4)
+	ASRC_ROUTE(5)
+	ASRC_ROUTE(6)
+	ASRC_RATIO_ROUTE("Playback")
+	ASRC_RATIO_ROUTE("Capture")
+};
+
+static const char * const tegra186_asrc_ratio_source_text[] = {
+	"ARAD",
+	"SW",
+};
+
+#define ASRC_SOURCE_DECL(name, id)					\
+	static const struct soc_enum name =				\
+		SOC_ENUM_SINGLE(ASRC_STREAM_SOURCE_SELECT(id),		\
+				0, 2, tegra186_asrc_ratio_source_text)
+
+ASRC_SOURCE_DECL(src_select1, 0);
+ASRC_SOURCE_DECL(src_select2, 1);
+ASRC_SOURCE_DECL(src_select3, 2);
+ASRC_SOURCE_DECL(src_select4, 3);
+ASRC_SOURCE_DECL(src_select5, 4);
+ASRC_SOURCE_DECL(src_select6, 5);
+
+#define SOC_SINGLE_EXT_FRAC(xname, xregbase, xmax, xget, xput)		\
+{									\
+	.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,				\
+	.name	= (xname),						\
+	.info	= snd_soc_info_xr_sx,					\
+	.get	= xget,							\
+	.put	= xput,							\
+									\
+	.private_value = (unsigned long)&(struct soc_mreg_control)	\
+	{								\
+		.regbase	= xregbase,				\
+		.regcount	= 1,					\
+		.nbits		= 32,					\
+		.invert		= 0,					\
+		.min		= 0,					\
+		.max		= xmax					\
+	}								\
+}
+
+static const struct snd_kcontrol_new tegra186_asrc_controls[] = {
+	/* Controls for integer part of ratio */
+	SOC_SINGLE_EXT("Ratio1 Integer Part",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 0),
+		       0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+		       tegra186_asrc_get_ratio_int,
+		       tegra186_asrc_put_ratio_int),
+
+	SOC_SINGLE_EXT("Ratio2 Integer Part",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 1),
+		       0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+		       tegra186_asrc_get_ratio_int,
+		       tegra186_asrc_put_ratio_int),
+
+	SOC_SINGLE_EXT("Ratio3 Integer Part",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 2),
+		       0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+		       tegra186_asrc_get_ratio_int,
+		       tegra186_asrc_put_ratio_int),
+
+	SOC_SINGLE_EXT("Ratio4 Integer Part",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 3),
+		       0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+		       tegra186_asrc_get_ratio_int,
+		       tegra186_asrc_put_ratio_int),
+
+	SOC_SINGLE_EXT("Ratio5 Integer Part",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 4),
+		       0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+		       tegra186_asrc_get_ratio_int,
+		       tegra186_asrc_put_ratio_int),
+
+	SOC_SINGLE_EXT("Ratio6 Integer Part",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 5),
+		       0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+		       tegra186_asrc_get_ratio_int,
+		       tegra186_asrc_put_ratio_int),
+
+	/* Controls for fractional part of ratio */
+	SOC_SINGLE_EXT_FRAC("Ratio1 Fractional Part",
+			    ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 0),
+			    TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+			    tegra186_asrc_get_ratio_frac,
+			    tegra186_asrc_put_ratio_frac),
+
+	SOC_SINGLE_EXT_FRAC("Ratio2 Fractional Part",
+			    ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 1),
+			    TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+			    tegra186_asrc_get_ratio_frac,
+			    tegra186_asrc_put_ratio_frac),
+
+	SOC_SINGLE_EXT_FRAC("Ratio3 Fractional Part",
+			    ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 2),
+			    TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+			    tegra186_asrc_get_ratio_frac,
+			    tegra186_asrc_put_ratio_frac),
+
+	SOC_SINGLE_EXT_FRAC("Ratio4 Fractional Part",
+			    ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 3),
+			    TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+			    tegra186_asrc_get_ratio_frac,
+			    tegra186_asrc_put_ratio_frac),
+
+	SOC_SINGLE_EXT_FRAC("Ratio5 Fractional Part",
+			    ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 4),
+			    TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+			    tegra186_asrc_get_ratio_frac,
+			    tegra186_asrc_put_ratio_frac),
+
+	SOC_SINGLE_EXT_FRAC("Ratio6 Fractional Part",
+			    ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 5),
+			    TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+			    tegra186_asrc_get_ratio_frac,
+			    tegra186_asrc_put_ratio_frac),
+
+	/* Source of ratio provider */
+	SOC_ENUM_EXT("Ratio1 Source", src_select1,
+		     tegra186_asrc_get_ratio_source,
+		     tegra186_asrc_put_ratio_source),
+
+	SOC_ENUM_EXT("Ratio2 Source", src_select2,
+		     tegra186_asrc_get_ratio_source,
+		     tegra186_asrc_put_ratio_source),
+
+	SOC_ENUM_EXT("Ratio3 Source", src_select3,
+		     tegra186_asrc_get_ratio_source,
+		     tegra186_asrc_put_ratio_source),
+
+	SOC_ENUM_EXT("Ratio4 Source", src_select4,
+		     tegra186_asrc_get_ratio_source,
+		     tegra186_asrc_put_ratio_source),
+
+	SOC_ENUM_EXT("Ratio5 Source", src_select5,
+		     tegra186_asrc_get_ratio_source,
+		     tegra186_asrc_put_ratio_source),
+
+	SOC_ENUM_EXT("Ratio6 Source", src_select6,
+		     tegra186_asrc_get_ratio_source,
+		     tegra186_asrc_put_ratio_source),
+
+	/* Disable HW managed overflow/underflow issue at input and output */
+	SOC_SINGLE_EXT("Stream1 HW Component Disable",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 0), 0, 1, 0,
+		       tegra186_asrc_get_hwcomp_disable,
+		       tegra186_asrc_put_hwcomp_disable),
+
+	SOC_SINGLE_EXT("Stream2 HW Component Disable",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 1), 0, 1, 0,
+		       tegra186_asrc_get_hwcomp_disable,
+		       tegra186_asrc_put_hwcomp_disable),
+
+	SOC_SINGLE_EXT("Stream3 HW Component Disable",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 2), 0, 1, 0,
+		       tegra186_asrc_get_hwcomp_disable,
+		       tegra186_asrc_put_hwcomp_disable),
+
+	SOC_SINGLE_EXT("Stream4 HW Component Disable",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 3), 0, 1, 0,
+		       tegra186_asrc_get_hwcomp_disable,
+		       tegra186_asrc_put_hwcomp_disable),
+
+	SOC_SINGLE_EXT("Stream5 HW Component Disable",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 4), 0, 1, 0,
+		       tegra186_asrc_get_hwcomp_disable,
+		       tegra186_asrc_put_hwcomp_disable),
+
+	SOC_SINGLE_EXT("Stream6 HW Component Disable",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 5), 0, 1, 0,
+		       tegra186_asrc_get_hwcomp_disable,
+		       tegra186_asrc_put_hwcomp_disable),
+
+	/* Input threshold for watermark fields */
+	SOC_SINGLE_EXT("Stream1 Input Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 0), 0, 3, 0,
+		       tegra186_asrc_get_input_threshold,
+		       tegra186_asrc_put_input_threshold),
+
+	SOC_SINGLE_EXT("Stream2 Input Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 1), 0, 3, 0,
+		       tegra186_asrc_get_input_threshold,
+		       tegra186_asrc_put_input_threshold),
+
+	SOC_SINGLE_EXT("Stream3 Input Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 2), 0, 3, 0,
+		       tegra186_asrc_get_input_threshold,
+		       tegra186_asrc_put_input_threshold),
+
+	SOC_SINGLE_EXT("Stream4 Input Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 3), 0, 3, 0,
+		       tegra186_asrc_get_input_threshold,
+		       tegra186_asrc_put_input_threshold),
+
+	SOC_SINGLE_EXT("Stream5 Input Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 4), 0, 3, 0,
+		       tegra186_asrc_get_input_threshold,
+		       tegra186_asrc_put_input_threshold),
+
+	SOC_SINGLE_EXT("Stream6 Input Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 4), 0, 3, 0,
+		       tegra186_asrc_get_input_threshold,
+		       tegra186_asrc_put_input_threshold),
+
+	/* Output threshold for watermark fields */
+	SOC_SINGLE_EXT("Stream1 Output Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 0), 0, 3, 0,
+		       tegra186_asrc_get_output_threshold,
+		       tegra186_asrc_put_output_threshold),
+
+	SOC_SINGLE_EXT("Stream2 Output Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 1), 0, 3, 0,
+		       tegra186_asrc_get_output_threshold,
+		       tegra186_asrc_put_output_threshold),
+
+	SOC_SINGLE_EXT("Stream3 Output Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 2), 0, 3, 0,
+		       tegra186_asrc_get_output_threshold,
+		       tegra186_asrc_put_output_threshold),
+
+	SOC_SINGLE_EXT("Stream4 Output Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 3), 0, 3, 0,
+		       tegra186_asrc_get_output_threshold,
+		       tegra186_asrc_put_output_threshold),
+
+	SOC_SINGLE_EXT("Stream5 Output Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 4), 0, 3, 0,
+		       tegra186_asrc_get_output_threshold,
+		       tegra186_asrc_put_output_threshold),
+
+	SOC_SINGLE_EXT("Stream6 Output Threshold",
+		       ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 5), 0, 3, 0,
+		       tegra186_asrc_get_output_threshold,
+		       tegra186_asrc_put_output_threshold),
+};
+
+static const struct snd_soc_component_driver tegra186_asrc_cmpnt = {
+	.dapm_widgets		= tegra186_asrc_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(tegra186_asrc_widgets),
+	.dapm_routes		= tegra186_asrc_routes,
+	.num_dapm_routes	= ARRAY_SIZE(tegra186_asrc_routes),
+	.controls		= tegra186_asrc_controls,
+	.num_controls		= ARRAY_SIZE(tegra186_asrc_controls),
+};
+
+static bool tegra186_asrc_wr_reg(struct device *dev, unsigned int reg)
+{
+	if (reg < TEGRA186_ASRC_STREAM_LIMIT)
+		reg %= TEGRA186_ASRC_STREAM_STRIDE;
+
+	switch (reg) {
+	case TEGRA186_ASRC_CFG ... TEGRA186_ASRC_RATIO_COMP:
+	case TEGRA186_ASRC_RX_CIF_CTRL:
+	case TEGRA186_ASRC_TX_CIF_CTRL:
+	case TEGRA186_ASRC_ENABLE:
+	case TEGRA186_ASRC_SOFT_RESET:
+	case TEGRA186_ASRC_GLOBAL_ENB ... TEGRA186_ASRC_RATIO_UPD_RX_CIF_CTRL:
+	case TEGRA186_ASRC_GLOBAL_INT_MASK ... TEGRA186_ASRC_GLOBAL_INT_CLEAR:
+	case TEGRA186_ASRC_GLOBAL_APR_CTRL ... TEGRA186_ASRC_CYA:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool tegra186_asrc_rd_reg(struct device *dev, unsigned int reg)
+{
+	if (reg < TEGRA186_ASRC_STREAM_LIMIT)
+		reg %= TEGRA186_ASRC_STREAM_STRIDE;
+
+	if (tegra186_asrc_wr_reg(dev, reg))
+		return true;
+
+	switch (reg) {
+	case TEGRA186_ASRC_RX_STATUS:
+	case TEGRA186_ASRC_TX_STATUS:
+	case TEGRA186_ASRC_STATUS ... TEGRA186_ASRC_OUTSAMPLEBUF_CFG:
+	case TEGRA186_ASRC_RATIO_UPD_RX_STATUS:
+	case TEGRA186_ASRC_GLOBAL_STATUS ... TEGRA186_ASRC_GLOBAL_INT_STATUS:
+	case TEGRA186_ASRC_GLOBAL_TRANSFER_ERROR_LOG:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool tegra186_asrc_volatile_reg(struct device *dev, unsigned int reg)
+{
+	if (reg < TEGRA186_ASRC_STREAM_LIMIT)
+		reg %= TEGRA186_ASRC_STREAM_STRIDE;
+
+	switch (reg) {
+	case TEGRA186_ASRC_RX_STATUS:
+	case TEGRA186_ASRC_TX_STATUS:
+	case TEGRA186_ASRC_SOFT_RESET:
+	case TEGRA186_ASRC_RATIO_INT_PART:
+	case TEGRA186_ASRC_RATIO_FRAC_PART:
+	case TEGRA186_ASRC_STATUS:
+	case TEGRA186_ASRC_RATIO_LOCK_STATUS:
+	case TEGRA186_ASRC_RATIO_UPD_RX_STATUS:
+	case TEGRA186_ASRC_GLOBAL_SOFT_RESET:
+	case TEGRA186_ASRC_GLOBAL_STATUS:
+	case TEGRA186_ASRC_GLOBAL_STREAM_ENABLE_STATUS:
+	case TEGRA186_ASRC_GLOBAL_INT_STATUS:
+	case TEGRA186_ASRC_GLOBAL_TRANSFER_ERROR_LOG:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static const struct regmap_config tegra186_asrc_regmap_config = {
+	.reg_bits		= 32,
+	.reg_stride		= 4,
+	.val_bits		= 32,
+	.max_register		= TEGRA186_ASRC_CYA,
+	.writeable_reg		= tegra186_asrc_wr_reg,
+	.readable_reg		= tegra186_asrc_rd_reg,
+	.volatile_reg		= tegra186_asrc_volatile_reg,
+	.reg_defaults		= tegra186_asrc_reg_defaults,
+	.num_reg_defaults	= ARRAY_SIZE(tegra186_asrc_reg_defaults),
+	.cache_type		= REGCACHE_FLAT,
+};
+
+static const struct of_device_id tegra186_asrc_of_match[] = {
+	{ .compatible = "nvidia,tegra186-asrc" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, tegra186_asrc_of_match);
+
+static int tegra186_asrc_platform_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct tegra186_asrc *asrc;
+	void __iomem *regs;
+	unsigned int i;
+	int err;
+
+	asrc = devm_kzalloc(dev, sizeof(*asrc), GFP_KERNEL);
+	if (!asrc)
+		return -ENOMEM;
+
+	dev_set_drvdata(dev, asrc);
+
+	regs = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(regs))
+		return PTR_ERR(regs);
+
+	asrc->regmap = devm_regmap_init_mmio(dev, regs,
+					     &tegra186_asrc_regmap_config);
+	if (IS_ERR(asrc->regmap)) {
+		dev_err(dev, "regmap init failed\n");
+		return PTR_ERR(asrc->regmap);
+	}
+
+	regcache_cache_only(asrc->regmap, true);
+
+	regmap_write(asrc->regmap, TEGRA186_ASRC_GLOBAL_CFG,
+		     TEGRA186_ASRC_GLOBAL_CFG_FRAC_32BIT_PRECISION);
+
+	/* Initialize default output srate */
+	for (i = 0; i < TEGRA186_ASRC_STREAM_MAX; i++) {
+		asrc->lane[i].ratio_source = TEGRA186_ASRC_RATIO_SOURCE_SW;
+		asrc->lane[i].int_part = 1;
+		asrc->lane[i].frac_part = 0;
+		asrc->lane[i].hwcomp_disable = 0;
+		asrc->lane[i].input_thresh =
+			TEGRA186_ASRC_STREAM_DEFAULT_INPUT_HW_COMP_THRESH_CFG;
+		asrc->lane[i].output_thresh =
+			TEGRA186_ASRC_STREAM_DEFAULT_OUTPUT_HW_COMP_THRESH_CFG;
+	}
+
+	err = devm_snd_soc_register_component(dev, &tegra186_asrc_cmpnt,
+					      tegra186_asrc_dais,
+					      ARRAY_SIZE(tegra186_asrc_dais));
+	if (err) {
+		dev_err(dev, "can't register ASRC component, err: %d\n", err);
+		return err;
+	}
+
+	pm_runtime_enable(dev);
+
+	return 0;
+}
+
+static int tegra186_asrc_platform_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+
+	return 0;
+}
+
+static const struct dev_pm_ops tegra186_asrc_pm_ops = {
+	SET_RUNTIME_PM_OPS(tegra186_asrc_runtime_suspend,
+			   tegra186_asrc_runtime_resume, NULL)
+	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				     pm_runtime_force_resume)
+};
+
+static struct platform_driver tegra186_asrc_driver = {
+	.driver = {
+		.name = "tegra186-asrc",
+		.of_match_table = tegra186_asrc_of_match,
+		.pm = &tegra186_asrc_pm_ops,
+	},
+	.probe = tegra186_asrc_platform_probe,
+	.remove = tegra186_asrc_platform_remove,
+};
+module_platform_driver(tegra186_asrc_driver)
+
+MODULE_AUTHOR("Junghyun Kim <juskim@nvidia.com>");
+MODULE_DESCRIPTION("Tegra186 ASRC ASoC driver");
+MODULE_LICENSE("GPL");